RE: Multibytes character support

[Yen-Ju Chen]

  I just found that since I made the XmbFontInfo from XGFont.m,
  it will try to call the function in XGCommonFont.m.
  Please modify any code to make it work.
  Thanx.

  Yen-Ju

> -----Original Message-----
> From: discuss-gnustep-admin@gnu.org
> [mailto:discuss-gnustep-admin@gnu.org]On Behalf Of Yen-Ju Chen
> Sent: Sunday, February 24, 2002 1:53 AM
> To: Fred Kiefer
> Cc: discuss-gnustep@gnu.org
> Subject: Multibytes character support
>
>
>
>   Here is the code that I try to support multibytes character display on
> GNUstep.
>   So far, I test it on Ink.app and NSTextField, NSButton.
>   It should be able to display any multibytes character.
>   I test it in traditional Chinese (zh_TW.Big5 encoding).
>   The character position is a little bit out of control, but still works.
>   I made and tested it by modifying XGContextPrivate.h and XGFont.m
> directly.
>   Here I just pull out the source code and make them into
> XmbFontInfo class,
>   but I never test them after that because I don't know how to
> add them into
> xgps.
>   Functionally, it is extended from originally XGFont.m.
>   Therefore, anyone can use it and it should behave like original XGFont.m
>   if not working on multibytes system.
>   Right now I only modify - draw: method because under my test, no class
> use -drawString:.
>   Since it is an independent font system as XftFontInfo,
>   maybe it is necessary to add a setting in .GNUstepDefaults to
> activate it
> by user.
>   but I have no idea how to do that.
>   So please help me test it and feel free to modify anything you want.
>   I'll keep trying to improve it and try to support Xft, too.
>   If I can work it out, maybe we will have four kind of font systems in
> xgps:
>   the original one (XGFont.m), the anti-alias (XftFontInfo),
>   the multibytes (XmbFontInfo), and the anti-alias multibytes (just plan
> it).
>
>   I have two questions when I test this class.
>   When I use zh_TW.Big5 supported XIM server to input Chinese into
> NSTextField,
>   it always adds "big5-0" in front of my input automatically.
>   For example, when I input a Chinese character "Apple",
>   it will show "big5-0 Apple".
>   I have no idea whether the problem is on GNUstep XIM client or the XIM
> Server I used.
>   This XIM server can work on any other system like gnome/gtk, kde/qt.
>   Therefore I think maybe the problem is on GNUstep XIM client.
>
>   Since programmers can't assign the font to NSMenu, which always use the
> default font,
>   is there any standard way that users can assign the default font by
> themselves ?
>   As far as I know, there is no standard font people will use in Chinese
> xwindow,
>   therefore it will be difficult to assign the default Chinese fonts by
> programmer
>   because they don't knwo what fonts the user have.
>   If user can set the default Chinese fonts by themselves,
>   it will be much easy to change the font of NSMenu to a suitable one.
>
>   Any suggestion is welcome.
>   Thanx.
>
>   Yen-Ju
>